{ //调用 static_variable_in_function 10次 for (int i = 0; i < 10; ++i) { static_variable_in_function(); } } class Student { public: /** *static数据成员声明在类内部 */ static int age_; }; int Student::age_ = 18; void TestClassStaticVariable() { std::cout << "直接通过...
2. static function in class TEST_F(JoMock, StaticFunctionClass) {EXPECT_CALL(JOMOCK(ClassTest::staticFunc),JOMOCK_FUNC()) .Times(Exactly(1)) .WillOnce(Return(3));EXPECT_EQ(ClassTest::staticFunc(),3);CLEAR_JOMOCK(); } 3. non virtual function in class ...
// useless “extern” extern void function(); “extern”和“static”能影响编译器对内联函数的处理 但是对于内联函数来说,情况就有了一些变化: inline关键字是对编译器的内联建议。编译器会根据实际情况决定是否内联当前函数是否内联。如果内联,那么这就是个平平无奇的因为内联而消失的函数;如果不内联,那么编译...
#include<stdio.h>classPoint{public:voidinit(){}staticvoidoutput(){printf("%d\n",m_x);}private:int m_x;};voidmain(){Point pt;pt.output();} 编译出错:error C2597: illegal reference to data member ‘Point::m_x’ in a static member function 因为静态成员函数属于整个类,在类实例化对象之...
classPoint{public:voidinit(){}staticvoidoutput(){}};voidmain(){Point::init();Point::output();} 报错: 'Point::init':illegal call of non-staticmemberfunction 结论1:不能通过类名来调用类的非静态成员函数。 通过类的对象调用静态成员函数和非静态成员函数。
classTest{public: Test():a(0){}enum{size1=100,size2=200};private:constinta;//只能在构造函数初始化列表中初始化staticintb;//在类的实现文件中定义并初始化conststaticintc;//与 static const int c;相同。}; 定义和声明最好分别放在.h和.cpp中。
factorialArray."); } static function factorial(x : int) : int { // Should have code to check that x is in range. return factorialArray[x-1]; } }; print("Table of factorials:"); for(var x : int = 1; x <= CMath.maxFactorial; x++) { print( x + "! = " + CMath....
}#endif//library.c#include <stdio.h>voidc_function() { printf("This is a C function\n"); }//main.cpp#include"library.h"intmain() { c_function();//调用 C 语言编写的函数return0; } 在C++ 中,为了支持函数的重载(overloading)和其他特性,编译器会将函数名和参数信息组合起来,生成一个经过...
classPoint{public:voidinit(){}staticvoidoutput(){}};voidmain(){Point::init();Point::output();} 报错: 'Point::init':illegal call of non-staticmemberfunction 结论1:不能通过类名来调用类的非静态成员函数。 通过类的对象调用静态成员函数和非静态成员函数。
[bsk@localhost classobject]$ g++staticnumbers.cpp staticnumbers.cpp:Instaticmemberfunction‘staticvoidCBOOK::cbookfunction()’:staticnumbers.cpp:31:22:error:cannot call memberfunction‘voidCBOOK::function()’ without objectfunction(); 静态成员变量在静态成员函数或者非静态成员函数都可以访问 ...